I would like an online bitcoin wallet created. Backend should use [url removed, login to view] and frontend react.js. Backend should use mongodb for database and use RPC calls to the bitcoin daemon. Any communication from frontend to backend should use websockets.

It is required to write a php class (library) for managing crypto wallets through RPC.
They have the same Api, just need to do something universal. Those. The class should work easily with both Bitcoin and Dogecoin, and so on.
Ethereum, a separate topic.

I need a Bitcoin raffle and lottery script to be made. Settings allow a custom ticket price, drawing times, Bitcoin address, and a percentage of the pool pot fee. Players simply need to enter the Bitcoin address that they will be using to pay, send multiples of the ticket price to the specified Bitcoin address, and the page will automatically go to a success page once the Bitcoin payment gets at l...

Hello,
We looking for an Expert on CryptoNight Crypto-Currency. We need create an coin basis on cryptonight.
How need know RPC and Json Config for this algo.
We will create coin with premine.
We hire only Freelancer was created an coin in cryptonight already.
Thx you

Using Java RMI and RPC create a chat system with 3 components. A server, a client and a word filter. There is no need for a user interface. The description of the full task is in the word document attached. There is also a project already done which would be attached also and might be of help to show how it should look like.
The code must be very neat and simple as possible and there should be ...

We are looking for a senior [url removed, login to view] Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the...

Hi all,
** Overview
I want to call a JSON RPC server. I want the JSON objects to be easily serialized and deserialized into my C# POCO design.
I have put together the design template of a class structure written in C# that I wish you to implement. This included some basic interfaces and a requirement on ///summary notations.
** Technical
The RPC server I want to call is the ...

I need an expert in Scott transformer, STATCOM, RPC for my work in [url removed, login to view] you have knowledge please bid . Details will be shared in the message with the selected freelancers.
==>I have the simulation schema of the transformer scott and I want to have the graphical results in the PSIM software or MATLAB.
==>I need to connect the STATCOM with the railway substation (net...

I need a html page with web3js integration and have to check for web3 connectivity and JSON-RPC. I need this by tomorrow morning and my budget is 650/- people who can do this within my budget and time only bid

I need a html page with web3js integration and have to check for web3 connectivity and JSON-RPC. I need this by tomorrow morning and my budget is 600/- people who can do this within my time and budget only bid

I am always developing solutions, and a friend who is veterinary asked me to do a wearable solution for his small pets, I told him I could do it and he told me i can not, and here we are... looking for help. I have found a nice wearable hardware that needs to be programmed.
Program Maxrefdes100 for wearable use
Using this sensor platform I would like it to be programed to store data in a s...

I tried to do this already with a LAMP stack and EasyBitcoin-PHP but couldn't get any of the calls to work.
I think I setup the RPC username and password correctly but I get nothing from $bitcoin->getinfo(); and all PHP after that line stops working. I also tried getbalance and a few others. My node was pretty far from fully synced but bitcoin-cli would show the current block and balan...

Hi free Lancers,
we have software is developed on robust PHP framework & MySQL Database. The key development points include Responsive Web Design using BootStrap
Data Presentation using DataTables JS Using bitcoind rpc – Own bitcoind server no third party Maintain full control of your private keys with our multi-signature vault.
You need to fix admin Panel session and We need to...

The project is an Android application that translates speech between two languages. We already have a working prototype. The native libraries that implement the core speech technologies (Automatic Speech Recognition, Machine Translation, and Text to Speech Synthesis) will be supplied to the developer, as will the source code for the existing prototype application, and the new UX design and graphic...

Looking for a fast, experienced and reliable PHP/Python developer to create an application that connects to external data sources through various third-party APIs including social media channels and retrieve specific metrics from each API and display on a single page. We are looking to hire on long-term basis so regular projects will be given.
Required Skills:
• Knowledge of consuming web...

There is a third party PHP library that calls a propriaty XML-RPC interface. The output is XML, we need JSON output.
We need a wrapper so we can call this PHP library from an external service as a JSON API.
In the third party library are several functions defined with parameters. These need to be translated from JSON to the input format as defined in the PHP library.
Example url as we wan...

I need you to develop some software for me. I would like this software to be developed for Windows . 1. Create a local admin account called “appuser”
2. Add account to local administrative group.
3. Grant appuser account Local access and remote access in Com security
Run [url removed, login to view]
4. Grant Pamrecon account launch and ac...

Our crypto Exchange have deposit withdraw engine which communicate between wallets.
You need to write api functions which communicate between our engine and ETH wallet so we can add ERC20 tokens.
Api need to write with [url removed, login to view] and it will need store and load one account transactions to the text file.
Our engine send and receive standardized JSON api calls to the funct...